VW Code 01691
01691 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor negative current control bank 1 sensor 1, circuit / open retarded timing position, the engine might refuse to start exhaust gas temperature sensor, bank 2 sensor 4, circuit range / performance you can see the reductant injection valve bank 2 unit 1, circuit high is the final reason of the code. |
01691 Possible Causes:
01691 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 01691 Code
- Inspect all the connections butterfly valve control unit 2 (j544), adaptation not started
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns